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Plant Growth and Development question

2002 · Q6
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Plant Growth and Development question

2002 · Q6

NEETBiologyPlant Growth and DevelopmentMCQ+4 / −1
Dwarfness can be controlled by treating the plant with
  1. A
    cytokinin
  2. B
    gibberellic acid
  3. C
    auxin
  4. D
    antigibberellin.
View written solutionFree

Correct answer: B

Gibberellins helps in the reversal of dwarfism in many genetically dwarf plants. External supply of Gibberellic acid causes rapid elongation of growth. E.g., rosette plant of sugarbeet when treated with GA3 undergoes marked longitudinal growth of axis.

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